This dataset serves as an example of meta-analysis of standardized mean differences.
data("dat.barlow")
A data frame with 26 studies with the following 5 variables within each study.
y
point esimates of standardized mean differences.
s2
sample variances of standardized mean differences.
n1
sample sizes in treatment group 1 (parent training programs).
n2
sample sizes in treatment group 2 (control).
n
total sample sizes.